Synonyms of complement

complement 1 of 2

noun

ˈkäm-plə-mənt 

1

as in supplement

something that serves to complete or make up for a deficiency in something else

with his practicality and her refreshing enthusiasm, they are perfect complements to each other

Synonyms & Similar Words

• supplement
• correlate
• addition
• extension
• appendix
• accompaniment
• additive
• annex
• adjunct
• accessory
• filler
• appendage
• appliance
• addendum
• attachment

2

as in capacity

the largest number or amount that something can hold

a full complement of sailors on the ship

Synonyms & Similar Words

• capacity
• volume
• real estate
• cubage
• fill
• load
• area
• measure
• burden
• room
• space
• fullness
• stowage

complement

2 of 2

verb

ˈkäm-plə-ˌment 

as in to adorn

to serve as a completing element to

this silk handkerchief will complement your suit very nicely and give it a bit of dash

Synonyms & Similar Words

• adorn
• enhance
• complete
• decorate
• improve
• round (off or out)
• better
• finish (off)
• flesh (out)
• perfect
• constitute
• beautify
• enrich
• form
• embellish
• make up

Example Sentences

Recent Examples of complement

Noun

The two complement each other and round out the whole experience. — Condé Nast, Condé Nast Traveler, 4 Aug. 2026

My own favorite album is Huntington Ashram Monastery—split equally between piano and harp, with the note-perfect complement of Ron Carter’s hypnotic double bass and Rashied Ali’s hypersensitive drums. — Ian Penman, Harpers Magazine, 4 Aug. 2026

Verb

Rather than compete with existing national carriers, ClearJet aims to complement them, funneling middle-mile packages into the last-mile networks of partner carriers including OnTrac and Veho. — Glenn Taylor, Footwear News, 14 Aug. 2026

Coduto said more people are downloading dating apps while also seeking out in-person experiences, with the offline events increasingly complementing the swiping rather than replacing it. — Tatiana Sataua, Fortune, 14 Aug. 2026